CN105156466B - A kind of double-row angular contact bal bearing and its manufacturing process - Google Patents
A kind of double-row angular contact bal bearing and its manufacturing process Download PDFInfo
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- CN105156466B CN105156466B CN201510565773.9A CN201510565773A CN105156466B CN 105156466 B CN105156466 B CN 105156466B CN 201510565773 A CN201510565773 A CN 201510565773A CN 105156466 B CN105156466 B CN 105156466B
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- outer ring
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Abstract
The invention discloses a kind of double-row angular contact bal bearing and its manufacturing process, its drip irrigation device is a kind of double-row angular contact bal bearing, including bearing body and connecting lateral plate, the bearing body includes inner ring and outer ring, the outer ring is higher than the annular groove that the circumferential wall for being fixedly connected side plate is provided with the inwall of inner ring, open up fluted in the circumferential wall of the connecting lateral plate, the annular groove spinning is inwardly formed projection, the projection and fit depressions.The present invention realizes the fixation of bearing body and connecting lateral plate by the inlay card mode of projection and groove, avoid the situation that fatigue failure occurs for middle weld seam that is welded and fixed, projection is formed by the outer ring spinning of bearing, adds the bonding strength of double-row angular contact bal bearing.
Description
Technical field
The present invention relates to bearing mnanufacture field, more specifically, it relates to a kind of double-row angular contact bal bearing and its manufacture
Technique.
Background technology
Double-row angular contact bal bearing is one kind of bearing, and double-row angular contact bal bearing generally comprises Bearing inner and is provided with two
Ball is provided with individual raceway groove, raceway groove, when bearing is rotated, the sliding friction between bearing is changed into rolling friction, improves and turns
Dynamic efficiency.So double-row angular contact bal bearing is commonly used under various working conditions, such as in auto pump.
The patent of invention of Application No. " 201220721306.2 " discloses a kind of " new automobile double-row angular contact bal bearing
Assembly ", it is in order to strengthen its connective stability, and the patent is provided with circular outer edge on connecting lateral plate, then by circular outer edge
It is welded and fixed with the inwall of bearing outer ring, while the inner ring end face that the bearing corresponds to connecting lateral plate one end is less than cycle surface；
The patent on bearing by being provided with connecting lateral plate, so that the structural strength of bearing is improved, but connecting lateral plate passes through weldering
The connected mode that connects is simultaneously unreliable, froms the perspective of from the use environment of bearing, bearing can vibrate in use, cause weld seam
Fatigue failure, so as to cause connecting lateral plate to be broken at the link position with bearing.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of high double row angular contact of bonding strength
The manufacturing process of this kind of double-row angular contact bal bearing of ball bearing and manufacture.
To achieve the above object, the invention provides following technical scheme：A kind of double-row angular contact bal bearing, including bearing
Body and connecting lateral plate, the bearing body include inner ring and outer ring, and the outer ring, which is higher than on the inwall of inner ring, is provided with fixation
Open up fluted in the annular groove of the circumferential wall of connecting lateral plate, the circumferential wall of the connecting lateral plate, the annular groove spinning is inside
Form projection, the projection and fit depressions.
Preferably, offer several lightening holes on the end face of the connecting lateral plate, all lightening holes are along connecting lateral plate
Center be centrosymmetric distribution.
Preferably, the groove is located between two neighboring lightening hole.
Preferably, the inner ring end face of the bearing body is less than cycle surface.
Preferably, the end face of the outer ring is formed for leading that connecting lateral plate is put into along extending axially inwardly for bearing body
To face, the spigot surface is tilted towards setting in bearing body.
The production technology of double-row angular contact bal bearing is manufactured, is comprised the following steps：
Step 1: raw material is carried out to be lathed outer ring blank；
Step 2: one end with annular groove in the outer ring blank in step one is carried out into termination annealing, annealing region is covered
The position of lid annular groove；
Step 3: the outer ring blank after step 2 is handled is polished, polishing region is from one end of outer ring blank
To annealing region；
Step 4: bearing ball, inner ring, retainer, sealing ring are attached in the blank of outer ring, then connecting lateral plate is put
Put in annular groove, complete the pre-assembled of double-row angular contact bal bearing；
Step 5: the outer ring annealing region of pre-assembled double-row angular contact bal bearing in step 3 is subjected to rotary pressure deformation,
The outer ring and connecting lateral plate for making double-row angular contact bal bearing are fixed, and complete the assembling of double-row angular contact bal bearing.
Preferably, annealing region in the step 2 is more than the end face of outer ring to the bottom surface of annular groove.
Preferably, the hardness after being annealed in the step 2 is 50-55HRC.
By using above-mentioned technical proposal, connecting lateral plate is by the deformation of bearing outer ring so as to be fixed on the outer ring of bearing
On, its fixation, because the outer ring after deformation has wrapped the peripheral edge portion of connecting lateral plate, connecting lateral plate can not be in bearing
Outer ring position is teetertottered, while the bearing outer ring after deformation can produce the projection with fit depressions, projection, which is served, to be prevented
The problem of connecting lateral plate is rotated on bearing outer ring, serves the effect for strengthening fixed effect, is welded to connect the fragility of position very
By force, it is easy to chipping after stress, compared with welding, bearing body strengthens connecting lateral plate by the cooperation of projection and groove
With the fixed effect of two-row ball bearing.
Brief description of the drawings
Fig. 1 is exploded perspective view of the invention；
Fig. 2 is diagrammatic cross-section of the invention；
Fig. 3 is A portions enlarged diagram shown in Fig. 2.
In figure：1st, bearing body；11st, outer ring；12nd, inner ring；13rd, bearing ball；14th, sealing ring；15th, retainer；16th, ring
Shape groove；17th, spigot surface；2nd, connecting lateral plate；21st, through hole；22nd, lightening hole；23rd, step groove；24th, groove.
Embodiment
Embodiments of the invention are described further referring to figs. 1 to Fig. 3.
As depicted in figs. 1 and 2, a kind of double row ball bearing, including bearing body 1, bearing body 1 include the inner ring of bearing
12 and outer ring 11, the raceway groove that correspondence position is provided with about two with outer ring 11 is parallel of bearing inner race 12 is provided with raceway groove
It is provided with ball bearing, ball bearing outside retainer 15, retainer 15 and is provided with sealing ring 14, sealing ring 14 serves sealing
The effect of the inner ring 12 of bearing, is prevented in double channel angular contact ball bearing when in use, the liquid in water pump and bearing ball 13
The problem of contact, prevent that bearing ball 13 from getting rusty or being rolled after intaking slack-off situation.It is internally provided with and the electricity in water pump
The through hole 21 that arbor is abutted, while being provided with lightening hole 22 on its end face, lightening hole 22 is centrosymmetric with the center of end face and set
Put, lightening hole 22 has not only acted as the effect for reducing support frame weight, while liquid can also enter bearing from lightening hole 22
In, facilitate the rotation of bearing；In the present embodiment, connecting lateral plate 2 is connected to annular groove 16, and annular groove 16 is arranged on bearing outer ring 11
Inwall on, the outer circumference surface of connecting lateral plate 2 is rounded, while the top and the bottom at the edge of connecting lateral plate 2 are by the institute of annular groove 16
Clamping, connecting lateral plate 2 can not be moved up and down in annular groove 16, but connecting lateral plate 2 can rotate in annular groove 16, be turned
Dynamic connecting lateral plate 2 will cause the both sides of connecting lateral plate 2 and annular groove 16 to rub, after fraction time length, connecting lateral plate 2
It can be rotated in annular groove 16, therefore fluted 24 are opened up on the outer circle wall of connecting lateral plate 2, the cross sectional shape of groove 24 is in
V-type, while the inner surface of groove 24 is coarse, coarse inner surface make outer ring 11 to connecting lateral plate 2 deform when, coarse is interior
Surface increases the frictional force between groove 24 and connecting lateral plate 2, and the groove 24 of V-type is compared with the groove 24 of arc, and it makes connection
It is more firm that the circumferencial direction of side plate 2 is fixed, while being formed with the inner peripheral surface of bearing outer ring 11 and the clamping of groove 24
Projection, projection is not drawn into figure, projection be arranged in the circumferential wall of annular groove 16 and protrusion and annular groove 16 circumferential wall,
By the cooperation of projection and groove 24, serving prevents the problem of connecting lateral plate 2 is rotated on annular groove 16, strengthens the company of bearing
Connect stability.
As shown in Fig. 2 being provided with several lightening holes 22 on the end face of connecting lateral plate 2, the quantity of lightening hole 22 can be 3
It is individual, 4,5 it is even more many, lightening hole 22 serve reduce the weight of connecting lateral plate 2 effect, when connecting lateral plate 2 by radially
During power, lightening hole 22 strengthens the structural strength of connecting lateral plate 2, even if lightening hole 22 deforms, and will not send out connecting lateral plate 2
Raw deformation, prevents the further deformation of connecting lateral plate 2, strengthens the structural strength of connecting lateral plate 2, in the present embodiment, lightening hole 22
Quantity be preferably 5, all lightening holes 22 are centrosymmetric distribution with the center of connecting lateral plate 2, and groove 24 is arranged on adjacent
Between two lightening holes 22, that is, prevent that groove 24 is set directly at the lower section of lightening hole 22, making the radial direction of connecting lateral plate 2 has two
Individual groove 24, reduces structural strength of the connecting lateral plate 2 in the position of lightening hole 22, by the way that groove 24 is arranged on into two neighboring loss of weight
The centre in hole 22, prevents that connecting lateral plate 2 from directly bending in the position of lightening hole 22, strengthens the structural strength of connecting lateral plate 2.
As shown in figures 1 and 3, the top view of connecting lateral plate 2 is circle, and connecting lateral plate 2 is the sheet metal component after a bending, even
The center for connecing side plate 2 is bent inwards to form through hole 21, and the outside for the part that connecting lateral plate 2 bends inwards also is formed by step groove
23, step groove 23 is used in the fixation with water pump casing, through hole 21 motor shaft for being fixed with pump motor.
As depicted in figs. 1 and 2, the upper surface of the outer ring 11 of double-row angular contact bal bearing is downward-sloping forms spigot surface 17,
Spigot surface 17 serves the effect for facilitating connecting lateral plate 2 to be put into, when the edge of connecting lateral plate 2 is contacted with spigot surface 17, tilts
Spigot surface 17 have certain guide effect, pressure connecting lateral plate 2 power can cause connecting lateral plate 2 relative to it is inclined be oriented to
Face 17 is moved down, and connecting lateral plate 2 is directed to the centre position of annular groove 16, is facilitated rotary pressing processing.
Meanwhile, the method for manufacturing the double-row angular contact bal bearing comprises the following steps：
Step 1: using, hardness carries out turning for 64HRC bearing steel and polishing forms the blank of outer ring 11；
Step 2: one end with annular groove 16 in the blank of outer ring 11 in step one is carried out into termination annealing, termination is moved back
Fire is a kind of annealing process, belongs to prior art, will not be described here, and annealing region covers the position of annular groove 16, that is, anneals
Region is more than the end face of outer ring to the bottom surface of annular groove；
Step 3: the outer ring blank after step 2 is handled is polished, polishing region from the blank of outer ring 11 one
Before end to annealing region, due to that in step 4 diameter of the outer ring in annealing region to the rotary pressure deformation of outer ring, can be caused to occur
Change, by leaving the pre- allowance of deformation in polishing, so as to reduce the deformation that outer peripheral surface occurs after spinning；
Step 4: bearing ball 13, inner ring 12, retainer 15, sealing ring 14 are attached in the blank of outer ring 11, then will
Connecting lateral plate 2 is placed in annular groove 16, completes the pre-assembled of double-row angular contact bal bearing；
Step 5: the annealing region of outer ring 11 of pre-assembled double-row angular contact bal bearing in step 3 is carried out into spinning change
Shape, rotary pressure deformation realizes that spinning machine belongs to prior art by spinning machine, will not be described here, and makes double-row angular contact bal bearing
Outer ring 11 deform so that the outer rim of banding connecting lateral plate 2, complete the assembling of double-row angular contact bal bearing.
This process is directed to the bearing steel of different materials simultaneously, and its temperature and time annealed is different, user
On the premise of only needing to know and finally giving the certain mechanical strength of guarantee, the material of convenient deformation, such as bearing steel it is hard
When degree is changed into 50-55HRC, the technique of spinning outer ring 11 in more convenient step 4, while on the premise of required hardness is known,
According to the crystalline phase table of the heat treatment of different materials, counter its annealing time and the temperature of pushing away all is very easily its temperature and time
It is all prior art, will not be described here, if while annealing region is more than the bottom surface more than annular groove 16, in rotary pressing processing
The deformation of the bearing channel close to annular groove 16 will be caused, so as to influence the rotation of the bearing ball 13 in raceway groove, axle is influenceed
The use held；So the annealing region in step 2 is from the end face of outer ring 11 to the bottom surface of annular groove 16, while the position of spinning
Put be also the end face from outer ring 11 to the bottom surface of annular groove 16, outer ring 11 is deformed, so that outer ring 11 is deformed inward shape
Into the projection of filling groove 24, the effect for being fixedly connected side plate 2 is served.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of double-row angular contact bal bearing, including bearing body and connecting lateral plate, the bearing body include inner ring and outer ring,
It is characterized in that：The outer ring is higher than the annular groove that the circumferential wall for being fixedly connected side plate is provided with the inwall of inner ring, the company
Connect and opened up in the circumferential wall of side plate fluted, the annular groove spinning is inwardly formed projection, the projection and fit depressions.
2. double-row angular contact bal bearing according to claim 1, it is characterised in that：Opened up on the end face of the connecting lateral plate
There are several lightening holes, center of all lightening holes along connecting lateral plate is centrosymmetric distribution.
3. double-row angular contact bal bearing according to claim 2, it is characterised in that：The groove is located at two neighboring loss of weight
Between hole.
4. double-row angular contact bal bearing according to claim 1, it is characterised in that：The inner ring end face of the bearing body is low
In cycle surface.
5. double-row angular contact bal bearing according to claim 1, it is characterised in that：The end face of the outer ring is along bearing body
Extend axially inwardly the spigot surface to be formed and be put into for connecting lateral plate, the spigot surface is tilted towards setting in bearing body.
6. the production technology of the double-row angular contact bal bearing described in manufacturing claims 1, it is characterised in that comprise the following steps：
Step 1: raw material is carried out to be lathed outer ring blank；
Step 2: one end with annular groove in the outer ring blank in step one is carried out into termination annealing, annealing region cover ring
The position of shape groove；
Step 3: the outer ring blank after step 2 is handled is polished, polishing region is from one end of outer ring blank to moving back
Before flame range domain；
Step 4: bearing ball, inner ring, retainer, sealing ring are attached in the blank of outer ring, then connecting lateral plate is placed on
In annular groove, the pre-assembled of double-row angular contact bal bearing is completed；
Step 5: the outer ring annealing region of pre-assembled double-row angular contact bal bearing in step 3 is carried out into rotary pressure deformation, make double
The outer ring of row angular contact ball bearing is fixed with connecting lateral plate, completes the assembling of double-row angular contact bal bearing.
7. the production technology of double-row angular contact bal bearing according to claim 6, it is characterised in that：In the step 2
Annealing region is more than the end face of outer ring to the bottom surface of annular groove.
8. the production technology of double-row angular contact bal bearing according to claim 6, it is characterised in that：Moved back in the step 2
Hardness after fire is 50-55HRC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510565773.9A CN105156466B (en) | 2015-09-08 | 2015-09-08 | A kind of double-row angular contact bal bearing and its manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510565773.9A CN105156466B (en) | 2015-09-08 | 2015-09-08 | A kind of double-row angular contact bal bearing and its manufacturing process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105156466A CN105156466A (en) | 2015-12-16 |
| CN105156466B true CN105156466B (en) | 2017-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510565773.9A Active CN105156466B (en) | 2015-09-08 | 2015-09-08 | A kind of double-row angular contact bal bearing and its manufacturing process |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464988A (en) * | 2016-02-02 | 2016-04-06 | 安徽美芝精密制造有限公司 | Bearing of compressor and compressor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002349481A (en) * | 2001-05-22 | 2002-12-04 | Aisin Seiki Co Ltd | Water pump |
| CN102251841A (en) * | 2011-07-26 | 2011-11-23 | 重庆长安汽车股份有限公司 | Cooling water pump belt pulley assembly for automobile engine |
| CN202418009U (en) * | 2012-01-16 | 2012-09-05 | 台州易宏实业有限公司 | Automobile unloading water pump assembly |
| CN202441641U (en) * | 2012-02-22 | 2012-09-19 | 杭州人本电机轴承有限公司 | Water pump bearing for automobile |
| JP6046397B2 (en) * | 2012-07-02 | 2016-12-14 | Ntn株式会社 | Bearing for water pump |
| JP6125185B2 (en) * | 2012-09-28 | 2017-05-10 | Ntn株式会社 | Water pump pulley unit |
| CN203067335U (en) * | 2012-12-24 | 2013-07-17 | 上海人本双列轴承有限公司 | Novel automobile water pump bearing assembly |
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Effective date of registration: 20161208 Address after: 215300 Jinsha Road, Kunshan Development Zone, Jiangsu, China, No. 58, No. Applicant after: Kunshan Risheng Bearing Co., Ltd. Address before: 215300 Kunshan Development Zone, Jiangsu, Jinsha River Road, No. 1658, No. Applicant before: Day Sheng Machinery (Kunshan) Co. Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215300 Jinsha Road, Kunshan Development Zone, Jiangsu, China, No. 58, No. Patentee after: Jiangsu Risheng Bearing Co., Ltd Address before: 215300 Jinsha Road, Kunshan Development Zone, Jiangsu, China, No. 58, No. Patentee before: KUNSHAN RISHENG BEARING Co.,Ltd. |